Why does everyone seem so obstinately binary on this topic? They slow the spread. They make you less likely to get infected and to spread it. Few things in medi

Why does everyone seem so obstinately binary on this topic? They slow the spread. They make you less likely to get infected and to spread it. Few things in medicine are 100%. This is nothing new. And even a small reduction in the ability of a vaccinated person to spread the virus makes a huge difference. In fact, it could likely make enough difference to bring the R0 of COVID below R1.